Which of he following are sets ? Justify your answer
(i) The collection of all the months of a year beginning with the letter J
(ii) The collection of ten most talented writers of India
(iii) A team of eleven best-cricket batsman of the world
(iv) The collection of all body in your class
(v) The collection of all natural numbers less than 100
(vi) A collection of novels written by the writer Munshi Premchand
(vii) The collection of all even integers
(viii) The collection of questions in this Chapter
(ix) A collection of most dangerous animals of the world.

Explanation

To determine which of the given collections are sets, we need to check if each collection is well-defined. A collection is considered a set if we can clearly identify its members without ambiguity. Let's analyze each part step by step.

### Step-by-Step Solution:

**(i) The collection of all the months of a year beginning with the letter J.**
- The months that start with 'J' are January, June, and July.
- This collection can be clearly defined as {January, June, July}.
- **Conclusion:** This is a set.
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